$66+ Cheap flights from Boise (BOI) to Colorado
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — DEN
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Colorado with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Boise to ColoradoExplore the most affordable flight options available from Boise to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
Explore the most affordable flight options available from Boise to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2026.
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/111:55 pm -
2 stops7h 35m
Sun 12/138:35 am -
Nonstop2h 05m
Deal found 10/24![Southwest logo]()
$228
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:56 pm -
1 stop5h 30m
Tue 12/87:40 am -
1 stop5h 29m
Deal found 10/21![Alaska Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:15 pm -
1 stop5h 53m
Wed 12/1610:29 pm -
2 stops42h 19m
Deal found 10/25![Frontier logo]()
$233
This Orbitz deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:37 am -
1 stop7h 21m
Tue 11/241:03 pm -
1 stop5h 57m
Deal found 10/21![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:15 pm -
1 stop5h 53m
Thu 12/1010:42 pm -
2 stops18h 38m
Deal found 10/22![Frontier logo]()
$237
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:30 pm -
Nonstop1h 40m
Mon 12/79:00 am -
Nonstop2h 00m
Deal found 10/23![Southwest logo]()
$239
This Frontier deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:55 pm -
1 stop4h 59m
Sun 11/221:03 pm -
1 stop5h 57m
Deal found 10/23![Frontier logo]()
$240
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:40 am -
1 stop7h 40m
Tue 11/179:00 am -
Nonstop2h 00m
Deal found 10/21![Southwest logo]()
$241
This Expedia deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:10 pm -
1 stop7h 05m
Wed 12/910:29 pm -
2 stops18h 51m
Deal found 10/24![Multiple Airlines logo]()
$244
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:45 pm -
1 stop3h 37m
Wed 11/186:08 pm -
1 stop6h 02m
Deal found 10/22![Delta logo]()
$280
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:30 pm -
1 stop6h 15m
Sun 12/65:00 am -
1 stop4h 50m
Deal found 10/23![Southwest logo]()
$283
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:40 am -
1 stop5h 20m
Thu 11/195:35 pm -
1 stop5h 40m
Deal found 10/22![Southwest logo]()
$329
Best flights from Boise to ColoradoDiscover carefully curated flight deals from Boise to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Boise to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:47 am -
1 stop8h 37m
Wed 12/162:51 pm -
1 stop5h 19m
Deal found 10/21![Alaska Airlines logo]()
$231
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/101:40 pm -
2 stops7h 25m
Mon 12/142:25 pm -
2 stops7h 30m
Deal found 10/25![Southwest logo]()
$270
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2811:30 am -
1 stop5h 44m
Sun 1/315:55 pm -
1 stop6h 09m
Deal found 10/21![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:44 pm -
Nonstop1h 58m
Sat 11/147:43 am -
Nonstop2h 13m
Deal found 10/21![United Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:06 am -
1 stop5h 22m
Fri 11/136:00 am -
1 stop7h 23m
Deal found 10/25![American Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:30 pm -
1 stop6h 15m
Sun 12/610:15 am -
2 stops6h 45m
Deal found 10/23![Southwest logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/188:50 pm -
1 stop15h 05m
Mon 3/2212:49 pm -
1 stop5h 22m
Deal found 10/23![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:44 pm -
1 stop4h 19m
Wed 11/115:30 am -
1 stop4h 22m
Deal found 10/21![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:35 am -
2 stops7h 15m
Tue 11/176:05 am -
2 stops8h 10m
Deal found 10/21![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/187:00 am -
Nonstop1h 58m
Mon 3/227:18 pm -
Nonstop1h 58m
Deal found 10/23![United Airlines logo]()
$367
This Alaska Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:02 pm -
1 stop7h 55m
Mon 11/306:51 pm -
1 stop14h 39m
Deal found 10/24![Alaska Airlines logo]()
$381
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:06 am -
1 stop5h 23m
Wed 12/96:50 am -
2 stops12h 41m
Deal found 10/23![American Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/311:40 am -
2 stops8h 10m
Sun 3/78:35 am -
Nonstop2h 05m
Deal found 10/21![Southwest logo]()
$355
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/267:00 am -
Nonstop1h 58m
Sun 3/287:45 am -
Nonstop1h 58m
Deal found 10/23![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:35 pm -
1 stop4h 55m
Sun 12/136:45 am -
1 stop3h 55m
Deal found 10/24![Southwest logo]()
$371
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:44 pm -
1 stop4h 15m
Tue 11/105:30 am -
1 stop4h 22m
Deal found 10/21![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:06 am -
1 stop5h 22m
Fri 11/206:00 am -
1 stop7h 23m
Deal found 10/24![American Airlines logo]()
$475
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:05 pm -
Nonstop1h 45m
Mon 11/235:00 am -
1 stop4h 50m
Deal found 10/24![Southwest logo]()
$378
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:00 am -
1 stop5h 47m
Sun 11/155:30 am -
1 stop4h 22m
Deal found 10/21![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:50 pm -
1 stop5h 55m
Sun 12/278:25 pm -
1 stop5h 10m
Deal found 10/21![Southwest logo]()
$405
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:51 pm -
1 stop5h 43m
Thu 11/121:32 pm -
1 stop4h 31m
Deal found 10/24![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:10 pm -
1 stop5h 05m
Tue 12/225:15 pm -
2 stops8h 20m
Deal found 10/22![Southwest logo]()
$412
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 am -
1 stop5h 56m
Sat 11/143:10 pm -
1 stop6h 24m
Deal found 10/25![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/162:11 pm -
2 stops22h 54m
Sun 12/2012:15 pm -
1 stop5h 09m
Deal found 10/21![American Airlines logo]()
$789
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:55 pm -
1 stop3h 55m
Tue 11/108:55 am -
1 stop6h 15m
Deal found 10/22![Southwest logo]()
$497
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:15 am -
1 stop6h 19m
Wed 12/307:00 am -
1 stop6h 37m
Deal found 10/21![United Airlines logo]()
$549
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:25 am -
2 stops8h 30m
Sun 11/228:25 am -
2 stops8h 35m
Deal found 10/22![Southwest logo]()
$545
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:51 pm -
1 stop5h 39m
Wed 11/111:40 pm -
1 stop4h 23m
Deal found 10/21![United Airlines logo]()
$555
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:15 am -
1 stop4h 27m
Sun 12/202:27 pm -
1 stop7h 16m
Deal found 10/24![United Airlines logo]()
$619
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:06 am -
2 stops10h 30m
Wed 12/3010:39 am -
2 stops12h 00m
Deal found 10/21![American Airlines logo]()
$1,101
Last-minute flights from Boise to ColoradoDiscover last-minute flight deals from Boise to Colorado. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Colorado. Data last updated October 26, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:40 pm -
2 stops7h 25m
Wed 11/183:10 pm -
2 stops8h 05m
Deal found 10/23![Southwest logo]()
$261
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:43 pm -
1 stop18h 14m
Tue 11/173:25 pm -
1 stop6h 55m
Deal found 10/21![Alaska Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:40 am -
1 stop7h 40m
Tue 11/179:00 am -
Nonstop2h 00m
Deal found 10/21![Southwest logo]()
$241
This Alaska Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:30 am -
1 stop28h 27m
Tue 11/173:25 pm -
1 stop8h 24m
Deal found 10/25![Alaska Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:00 pm -
1 stop22h 59m
Wed 11/1810:29 pm -
2 stops15h 25m
Deal found 10/22![Multiple Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:45 pm -
1 stop3h 37m
Wed 11/186:08 pm -
1 stop6h 02m
Deal found 10/22![Delta logo]()
$280
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:44 pm -
Nonstop1h 58m
Thu 11/197:41 am -
Nonstop2h 11m
Deal found 10/22![United Airlines logo]()
$231
This Orbitz deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:37 am -
1 stop7h 21m
Tue 11/241:03 pm -
1 stop5h 57m
Deal found 10/21![Multiple Airlines logo]()
$236
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:44 pm -
Nonstop1h 58m
Sat 11/217:27 pm -
Nonstop2h 07m
Deal found 10/24![United Airlines logo]()
$253
This Frontier deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:55 pm -
1 stop4h 59m
Sun 11/221:03 pm -
1 stop5h 57m
Deal found 10/23![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:55 pm -
1 stop4h 59m
Wed 11/251:03 pm -
1 stop5h 57m
Deal found 10/23![Frontier logo]()
$260
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:19 pm -
1 stop3h 51m
Tue 12/85:25 am -
1 stop5h 19m
Deal found 10/22![Delta logo]()
$251
One-way flights from Boise to ColoradoSearch for one-way flight options from Boise to Colorado. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Boise to Colorado. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/173:55 pm -
Nonstop1h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Southwest logo]()
$66
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:44 pm -
Nonstop1h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:15 pm -
1 stop17h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$84
This Jetabroad deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/257:53 pm -
1 stop13h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$87
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/171:07 pm -
1 stop4h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:18 pm -
1 stop18h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$91
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/241:40 pm -
2 stops7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Southwest logo]()
$94
This Orbitz deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:15 pm -
1 stop15h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:18 pm -
1 stop17h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$99
This Frontier deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:49 pm -
1 stop8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Frontier logo]()
$102
This Southwest deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/134:40 pm -
1 stop6h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Southwest logo]()
$109
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:19 pm -
1 stop4h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$126
Find flight deals from Boise to Colorado
Keep the following information in mind while searching for Boise to Colorado flight deals. Data was last updated October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $228 (Southwest) |
One-way from | $66 (Southwest) |
Popular in | September |
Cheapest in | February |
Average price | $320 |
Good round-trip deal | $407 or less |
Good one-way deal | $276 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 26, 2026.
Use the filters below to find and compare flights from Boise to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Thu 12/24
3:30 pm-5:10 pm
Nonstop1h 40m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Fri 12/18
6:00 am-9:43 am
1 stop3h 43m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$89
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Mon 11/9
5:44 pm-7:42 pm
Nonstop1h 58m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$116
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Thu 12/10
1:05 pm-2:50 pm
Nonstop1h 45m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$116
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Sat 2/6
2:35 pm-4:37 pm
Nonstop2h 02m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$116
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Mon 11/23
5:44 pm-7:42 pm
Nonstop1h 58m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$116
BoiseColorado Springs
BOI Boise Air Term. Gowen Fld - COS Colorado Springs
BOICOS
Boise Air Term. Gowen Fld
Mon 11/16
1:19 pm-5:28 pm
1 stop4h 09m
Colorado Springs
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$126
BoiseColorado Springs
BOI Boise Air Term. Gowen Fld - COS Colorado Springs
BOICOS
Boise Air Term. Gowen Fld
Tue 11/17
3:45 pm-8:55 pm
1 stop5h 10m
Colorado Springs
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$126
BoiseColorado Springs
BOI Boise Air Term. Gowen Fld - COS Colorado Springs
BOICOS
Boise Air Term. Gowen Fld
Tue 11/17
6:30 am-12:21 pm
1 stop5h 51m
Colorado Springs
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$126
BoiseDenver
BOI Boise Air Term. Gowen Fld - DEN Denver Intl
BOIDEN
Boise Air Term. Gowen Fld
Sun 11/15
6:00 am-11:05 am
1 stop5h 05m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$145
Showing 1-10 of 47 resultsSorted by cheapest first
Best time to book a flight from Boise to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Boise with our price prediction graph.
BOI-DEN
BOI-COS
BOI-GJT
BOI-DRO
BOI-GUC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boise to Colorado
BOI-USCO
BOI-DEN
BOI-COS
BOI-GJT
BOI-DRO
What is the cheapest month to book a flight from Boise to Colorado?
Currently, February is the cheapest month in which you can book a flight from Boise to Colorado (average of $228). Flying from Boise to Colorado in September is currently the most expensive (average of $361). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BOI to CO?
Find hourly flight availability from Boise to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 26, 2026.
It’s optimal to fly from Boise to Colorado at noon. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight in the evening.
Weekly flight availability from Boise to Colorado
Explore weekly flight availability from Boise to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 26, 2026.
The most flights from BOI to USCO are scheduled on a Sunday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Boise to Colorado?
Airfare is below average for this route at the moment.
Boise to Colorado flights typically cost between $238 and $389 in December.The cheapest round-trip price found within the last 5 days was $228 on Southwest (Dec 11-Dec 13).
How far ahead should I book a flight from Boise to Colorado?
Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boise to Colorado. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated October 26, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Boise to Colorado have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Entertainment
7.4
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Entertainment
7.4
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Entertainment
7.4
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Entertainment
7.4
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Entertainment
7.4
Overall
7.9
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Boise to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Boise to Colorado
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Complete your trip
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Search flights from Boise to Colorado by cabin class
Find flights from Boise to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Colorado flights
Browse other Boise and Colorado flight options. Last updated on October 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boise to Colorado flights
Consider these flights traveling from Boise to Colorado.
Top 4 airlines flying from Boise to Colorado
Discover the top 4 airlines that operate flights from Boise to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$57 | Average$157 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$111 | Average$338 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$198 | Average$421 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$220 | Average$413 | FlexibilityNo cancel fee | On-time63% |